Home / 28,632.20-42,961.06-11,103.38

Finding the Fourth Proportional to 28,632.20, 42,961.06 and 11,103.38

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Solution

The fourth proportional to 28,632.20, 42,961.06 and 11,103.38 is: 16,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,632.20 : 42,961.06 = 11,103.38 : x
  2. Step 2: Convert to fraction form
    28,632.20/42,961.06 = 11,103.38/x
  3. Step 3: Cross multiply
    28,632.20x = 42,961.06 × 11,103.38
  4. Step 4: Simplify right side
    28,632.20x = 477,012,974.38
  5. Step 5: Solve for x
    x = 477,012,974.38/28,632.20
  6. Step 6: Final answer
    x = 16,660.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.